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 Originally Posted by MadMojoMonkey
If a string theory could explain the whole of the Standard Model without error, and without predicting things that are "false", then that would be a huge thing.
So is it true that all string theories so far have not been able to explain the current standard model without also positing things that are known to be false? Or have some created a framework that explains everything but isn't testable so there's no way to know? If not, what's the furthest that a theory has gotten? Like has there been unity of the four forces but only in an unfalsifiable way? Or has every unity of the forces done things like posit additional unknown forces?
Related question: is there a way to know if something is true based exclusively on the math? Or is it that math can operate within its own systems, so even a mathematical model that explains every known thing perfectly may still be false?
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